Sheriff Clarke To Reporter After Baton Rouge Shooting: Why Are You Telling Me To CALM DOWN?!

It was clear Sunday night that CNN host Don Lemon regretted his choice of guest to interview within 60 seconds of the start of his show following the ambush and killing of Baton Rouge police officers and sheriff deputes that left three dead and others wounded.

Who was Lemon's guest? Conservative Milwaukee Sheriff David Clarke.

Just watch what happens when Lemon claims that Black Lives Matter is a peaceful group. This 10-minute exchange is incredible: